UFO hunters have been studying images of the Red Planet for years in the search of signs of alien life.

This snap was taken by the Mars Global Survey – a spacecraft launched by the agency on November 7, 1996.

It's not clear when this photo was shot but NASA ended the MGS mission in January 2007.

NASA

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NASA

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“This is probably the most intriguing photo I’ve seen on Mars”

UFO mania

The photo has resurfaced after it was shared by YouTube channel UFOmania – the truth is out there yesterday and has since racked up thousands of views.

The aerial picture appears to show rock formations in a similar design to that of excavation sites on Earth.

In the video, the user said: "Mars Global Surveyor arrived at Mars on September 11, 1997, and has contributed a multitude of findings, including signs of past, persistent water such as an ancient delta and currently active water features in the gullies of canyon walls.

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